LC4256ZC-75T100I

Series:	ispMACH® 4000Z
Packaging:	Tray
Part Status:	Obsolete
Programmable Type:	In System Programmable
Delay Time tpd(1) Max:	7.5ns
Voltage Supply - Internal:	1.7 V ~ 1.9 V
Number of Logic Elements/Blocks:	16
Number of Macrocells:	256
Number of I/O:	64
Operating Temperature:	-40°C ~ 105°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	100-LQFP
Supplier Device Package:	100-TQFP (14x14)
Base Part Number:	LC4256

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LC4256ZC-75T100I: Embedded - CPLDs (Complex Programmable Logic Devices)

Complex Programmable Logic Devices (CPLDs) are integrated circuit components that are used to add digital logic capability to a system. The LC4256ZC-75T100I is a type of CPLD that is designed to provide an integrated and optimized interface between logic and memory devices.The LC4256ZC-75T100I is an embedded CPLD with 256 configurable logic terms. It consists of two components, a programmable array and a fast I/O port that provides high-performance logic and register functions. The programmable array contains logic elements and a RAM component, which can be configured to create custom logic. It also includes an address decoder, which can be used to select registers and RAM devices. Additionally, it has programmable interconnects and a DMA (Direct Memory Access) controller.The fast I/O port is used to interface with memory and other digital devices. The port includes an address bus, a data bus, an internal bus arbiter, an asynchronous controller for generating interrupt requests, and a handshake control for communication over the bus. It also provides an interface for connecting external devices such as CPLD programmer, memory, and other digital logic or I/O devices.In addition to its logic and I/O port capabilities, the LC4256ZC-75T100I also integrates circuitry for power management and clock synchronization. This allows the CPLD to be used in embedded systems with more power efficient solutions. The clock synchronization circuitry allows the system to be optimized for the specific application, where the clock frequency can be reduced, which reduces the power consumption.The LC4256ZC-75T100I is typically used in embedded systems, where the CPLD can provide additional logic and control features. In this type of system, the system designer can take advantage of the CPLD’s configurable logic terms and fast I/O ports to build custom circuits for their application. It can be used to minimize the number of discrete logic components and increase the system’s performance by allowing digital logic, memory devices, and other digital devices to share a common bus.The LC4256ZC-75T100I can also be used in applications that require high-speed communication. It provides an optimized I/O port with a handshake protocol which allows devices to communicate quickly and efficiently. This makes it ideal for applications such as machine control and high-speed data interfaces.The LC4256ZC-75T100I is a versatile and powerful CPLD, which can be used to increase the functionality of an embedded system. Its integrated logic, memory, and I/O port capabilities provide a powerful and cost-effective solution for a variety of applications. With its configurability, the CPLD can be tailored to the specific application, allowing the designer to maximize the performance and minimize the power consumption of the system.

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